Tim Haley wrote:
> Scott Rotondo wrote:
>> Tim Haley wrote:
>>>
>>> PROPOSED SOLUTION:
>>>
>>> This fast-track proposes two new command line flags each for
>>> the 'zpool clear' and 'zpool import' sub-commands.
>>>
>>> Both sub-commands will now accept a '-F' recovery mode flag.
>>> When specified, a determination is made if discarding the last
>>> few transactions performed in an unopenable or non-importable
>>> pool will return the pool to an usable state. If so, the
>>> transactions are irreversibly discarded, and the pool
>>> imported. If the pool is usable or already imported and this
>>> flag is specified, the flag is ignored and no transactions are
>>> discarded.
>>>
>>> Both sub-commands will now also accept a '-n' flag. This flag
>>> is only meaningful in conjunction with the '-F' flag. When
>>> specified, an attempt is made to see if discarding transactions
>>> will return the pool to a usable state, but no transactions are
>>> actually discarded.
>>
>> Here's a usability suggestion. Whenever clear or import fails, why not
>> automatically do the equivalent of <command> -F -n (i.e. tell the user
>> if recovery is possible)? If so, the user can invoke with -F if
>> desired. There would be no need to create a -n option.
>>
> That is exactly how it works in the prototype.
>
> The -n is still useful for reconfirming.
>
> -tim
>
OK, good. I'm less concerned about removing the -n than I am about
making sure we automatically tell the user when he should try -F.
Scott
--
Scott Rotondo
Principal Engineer, Solaris Security Technologies
President, Trusted Computing Group
Phone/FAX: +1 408 850 3655 (Internal x68278)
